An instrument specifically designed to measure the amplitude and frequency of the constituents of a complex electrical wave form. May include transducer mechanism for converting sound pressure into electrical energy.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5996-01-609-0098
NSN 6220-01-062-9782
NSN 4140-01-201-7960
NSN 5925-00-612-7159
NSN 2925-01-460-1601
NSN 6685-01-471-6484
NSN 6130-01-058-5927
NSN 6650-01-589-3585
NSN 5895-01-548-7131
NSN 5965-01-067-9280
NSN 5930-01-397-1001
NSN 5930-01-634-0659